The 7704A Oscilloscope Mainframe is a 4 plug-in wide mainframe with a 200MHz bandwidth. Rise time is rated at 1.8 ns. Separate intensity adjustments are provided for A and B vertical channels as well as for the alphanumeric CRT readout and the screen’s graticule. The user is given the option of chopped, alternating, addition, or single trace vertical operation. Controls also allow from a choice of 4 horizontal modes. With the wide range of plug-ins available for use with this mainframe, the possible uses are almost endless! Plug-ins sold separately.